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Your retina is the tissue found at the back of the eye and contains special cells called the photoreceptor cells, making the eye sensitive to light. The photoreceptor cells convert the light rays received by the eyes into electrical impulses which are transported to the brain for interpretation. The light rays received by the eye focus on your retina while they travel through the lens, pupil and cornea.
The macula is a small section of the retina. It’s half a millimetre in size, but it contains many photoreceptors that are specialised, and it is this part of the retina which controls our central vision. It helps us distinguish colours and notice fine details of images.
Here are some prevalent symptoms of retinal disorders:
When you visit our clinic to assess your retina, we will take your detailed history to help us understand your symptoms. Our surgeon will examine your eye using a non-invasive scanner known as Optical Coherence Tomography (OCT) and a slit lamp. The OCT helps to give information regarding the structure of your retina.
We may carry out a dye test known as fluorescein angiography or ICG to thoroughly assess the retina structure in a more dynamic way. Another diagnostic examination to evaluate the retina is a visual field test which provides information about how the retina functions. Occasionally, some patients need some special tests like electrodiagnostic to assess the retina properly.
The following are only a few of the most common retinal-blinding conditions in the UK:
Some diabetic people experience small retinal blood vessel damage, and leakage of fluids which cause retinal swelling, displacement of the photoreceptors gradually leading to distortion. As diabetes advances, it leads to the development and bleeding of abnormal blood vessels. The symptoms require immediate medical attention to prevent further damage and blindness. Diabetic retinopathy is also a leading condition in the UK, causing blindness.
In this condition, it usually starts with sudden, but painless distortion and blurring of the central vision and these symptoms gradually progresses. It results from damage of the photoreceptors due to abnormal blood vessels from the layer under the retina called the choroid.
The condition usually requires urgent medical attention to prevent irreversible vision loss. It is also the most common cause of blindness in the UK.
Patients who experience a high degree of myopia have abnormally stretched retina and eyeballs. This makes the barrier between the abnormal blood vessels and the retina to be susceptible to damages. When the retina grows abnormal cells, it damages the photoreceptors, and the patient begins to experience loss of vision symptoms and central vision distortion.
In retinal vein occlusion, the smaller contributors or main trunk of the retinal veins, draining blood out of the retina gets blocked. Vein occlusion results in blurring of the central vision or complete loss of vision due to accumulation of fluid in the macular andthe force of the blockage, and this damages the photoreceptors.
If the occlusion occurs in the branch vein and the central part of the retina is unharmed, vision blurring will be peripheral or off centre.
If you notice or have any symptom related to the underlisted retinal conditions, endeavour to visit our clinic for the right diagnosis.
This retinal condition results from the build-up of fluid in the macula from the choroid. This usually makes your vision distorted and dims the central vision. In the majority of central serous retinopathy cases, it gets resolved on its own, but others become chronic, needing treatment.
Vitreomacular traction disorders are usually stumbled on, but if the condition becomes advanced, it could lead to distortion. Formation of macular holes may lead to central vision loss and distortion of straight lines. The condition usually requires surgery.
If you begin to experience floaters and flashing lights, you should seek medical care. Although these symptoms may stop after a while, a doctor needs to carry out an eye assessment to rule out retinal detachment or tear. If the retinal tears or detaches, you will need urgent treatment.
In some cases, floaters may persist, but there are treatment options available for it which you would need to discuss with your clinician.
This condition may occur following a complicated surgery. And it affects about 2% of the patients who undergo cataract surgery. Applying drops to the eye may treat the condition, but sometimes, injections administered in the vitreous cavity or around the eye can manage the macular swelling.
If you experience any symptom relating to retinal disorders, visit Optimal Vision for immediate diagnosis and retinal treatment, you can also call us on 020 7183 3725 to book an appointment for your retinal assessment.
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I had a great experience performing my laser eye surgery at Optimal Vision Clinic. All the staffs are very helpful, co-operative and supportive throughout the treatment process. On the first call, they explained the entire procedure in details and gave necessary instructions at every stage. My eye surgeon made me feel comfortable and relaxed before and during the procedure. Aftercare was done properly with a thorough check-up of my eyes. I would like to recommend this clinic to everyone!
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My husband had been experiencing discomfort in his left eye since July and was seen by various doctors/consultants even at the Queen Mary’s hospital but no abnormalities were found.
This week Dr. Mani discovered the fault which happened to be Retina detachment with three tears.
Dr. Mani’s preciseness and his perfectionist attitude to attention to details, detected the source of the main issue and saved my husband’s eye. We feel utterly grateful and can not recommend him enough for his excellence.